Finding the Fourth Proportional to 52,743.65, 72,783.42 and 28,865.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,743.65 : 72,783.42 = 28,865.71 : x
2. Step 2: Convert to fraction form
   52,743.65/72,783.42 = 28,865.71/x
3. Step 3: Cross multiply
   52,743.65x = 72,783.42 × 28,865.71
4. Step 4: Simplify right side
   52,743.65x = 2,100,945,094.53
5. Step 5: Solve for x
   x = 2,100,945,094.53/52,743.65
6. Step 6: Final answer
   x = 39,833.14